چکیده مقاله
Welding induces residual stresses in structures which may cause buckling distortion,if they exceed the critical buckling stress of the structure This paper presents a predictive distortion analysis approach for welded structure Also, the effect of external constraint on buckling behavior is studied 3 D thermo mechanical welding process simulations are performed to determine the residual stress and deformation The critical buckling stress along with the buckling mode is computed in 3 D eigenvalue analysis The correctness of results is confirmed experimentally This work clearly shows that the proposed 3D analysis welding can predict not only the time but also the shape of buckling during welding This study shows that a suitable combination of thickness and external constraint can eliminate buckling
کلیدواژهها
نویسندگان
S Ziaee
PH D student Department of Mechanical Engineering, School of Engineering, Shiraz University
M.H. Kadivar
Professor Department of Mechanical Engineering, School of Engineering, Shiraz University
Kh. Jafarpur
Associate professor Department of Mechanical Engineering, School of Engineering, Shiraz University
شیوه ارجاع
Ziaee, S and Kadivar, M.H. and Jafarpur, Kh.,1386,Effect of External Constraint on Buckling Behavior of Welded Thin Shells,02nd Tehran International Congress on Manufacturing Engineering (TICME2007),Tehran
ارائهشده در
مجموعه مقالات دومین کنفرانس بین المللی و هشتمین کنفرانس ملی مهندسی ساخت و تولید10 اسفند 1386 · تهران